alsa-2026:10767
Vulnerability from osv_almalinux
Published
2026-04-27 00:00
Modified
2026-04-29 08:55
Summary
Important: firefox security update
Details

Mozilla Firefox is an open-source web browser, designed for standards compliance, performance, and portability.

Security Fix(es):

  • firefox: thunderbird: Incorrect boundary conditions in the Libraries component in NSS (CVE-2026-6772)
  • firefox: thunderbird: Use-after-free in the JavaScript Engine component (CVE-2026-6754)
  • firefox: thunderbird: Spoofing issue in the DOM: Core & HTML component (CVE-2026-6762)
  • firefox: thunderbird: Incorrect boundary conditions in the WebRTC component (CVE-2026-6752)
  • firefox: thunderbird: Other issue in the Storage: IndexedDB component (CVE-2026-6770)
  • firefox: thunderbird: Invalid pointer in the JavaScript: WebAssembly component (CVE-2026-6757)
  • firefox: thunderbird: Other issue in the Libraries component in NSS (CVE-2026-6767)
  • firefox: thunderbird: Memory safety bugs fixed in Firefox ESR 140.10, Thunderbird ESR 140.10, Firefox 150 and Thunderbird 150 (CVE-2026-6786)
  • firefox: thunderbird: Incorrect boundary conditions in the WebRTC component (CVE-2026-6753)
  • firefox: thunderbird: Use-after-free in the Widget: Cocoa component (CVE-2026-6759)
  • firefox: thunderbird: Use-after-free in the WebRTC component (CVE-2026-6747)
  • firefox: thunderbird: Information disclosure due to uninitialized memory in the Graphics: Canvas2D component (CVE-2026-6749)
  • firefox: thunderbird: Incorrect boundary conditions in the Libraries component in NSS (CVE-2026-6766)
  • firefox: thunderbird: Privilege escalation in the Networking component (CVE-2026-6761)
  • firefox: thunderbird: Mitigation bypass in the File Handling component (CVE-2026-6763)
  • firefox: thunderbird: Privilege escalation in the Graphics: WebRender component (CVE-2026-6750)
  • firefox: thunderbird: Uninitialized memory in the Audio/Video: Web Codecs component (CVE-2026-6748)
  • firefox: thunderbird: Memory safety bugs fixed in Firefox ESR 115.35, Firefox ESR 140.10, Thunderbird ESR 140.10, Firefox 150 and Thunderbird 150 (CVE-2026-6785)
  • firefox: thunderbird: Mitigation bypass in the DOM: Security component (CVE-2026-6771)
  • firefox: thunderbird: Incorrect boundary conditions in the DOM: Device Interfaces component (CVE-2026-6764)
  • firefox: thunderbird: Information disclosure in the Form Autofill component (CVE-2026-6765)
  • firefox: thunderbird: Privilege escalation in the Debugger component (CVE-2026-6769)
  • firefox: thunderbird: Uninitialized memory in the Audio/Video: Web Codecs component (CVE-2026-6751)
  • firefox: thunderbird: Incorrect boundary conditions in the WebRTC: Networking component (CVE-2026-6776)
  • firefox: thunderbird: Use-after-free in the DOM: Core & HTML component (CVE-2026-6746)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

References
https://access.redhat.com/errata/RHSA-2026:10767 ADVISORY
https://access.redhat.com/security/cve/CVE-2026-6746 REPORT
https://access.redhat.com/security/cve/CVE-2026-6747 REPORT
https://access.redhat.com/security/cve/CVE-2026-6748 REPORT
https://access.redhat.com/security/cve/CVE-2026-6749 REPORT
https://access.redhat.com/security/cve/CVE-2026-6750 REPORT
https://access.redhat.com/security/cve/CVE-2026-6751 REPORT
https://access.redhat.com/security/cve/CVE-2026-6752 REPORT
https://access.redhat.com/security/cve/CVE-2026-6753 REPORT
https://access.redhat.com/security/cve/CVE-2026-6754 REPORT
https://access.redhat.com/security/cve/CVE-2026-6757 REPORT
https://access.redhat.com/security/cve/CVE-2026-6759 REPORT
https://access.redhat.com/security/cve/CVE-2026-6761 REPORT
https://access.redhat.com/security/cve/CVE-2026-6762 REPORT
https://access.redhat.com/security/cve/CVE-2026-6763 REPORT
https://access.redhat.com/security/cve/CVE-2026-6764 REPORT
https://access.redhat.com/security/cve/CVE-2026-6765 REPORT
https://access.redhat.com/security/cve/CVE-2026-6766 REPORT
https://access.redhat.com/security/cve/CVE-2026-6767 REPORT
https://access.redhat.com/security/cve/CVE-2026-6769 REPORT
https://access.redhat.com/security/cve/CVE-2026-6770 REPORT
https://access.redhat.com/security/cve/CVE-2026-6771 REPORT
https://access.redhat.com/security/cve/CVE-2026-6772 REPORT
https://access.redhat.com/security/cve/CVE-2026-6776 REPORT
https://access.redhat.com/security/cve/CVE-2026-6785 REPORT
https://access.redhat.com/security/cve/CVE-2026-6786 REPORT
https://bugzilla.redhat.com/2460074 REPORT
https://bugzilla.redhat.com/2460075 REPORT
https://bugzilla.redhat.com/2460076 REPORT
https://bugzilla.redhat.com/2460078 REPORT
https://bugzilla.redhat.com/2460079 REPORT
https://bugzilla.redhat.com/2460085 REPORT
https://bugzilla.redhat.com/2460086 REPORT
https://bugzilla.redhat.com/2460088 REPORT
https://bugzilla.redhat.com/2460092 REPORT
https://bugzilla.redhat.com/2460094 REPORT
https://bugzilla.redhat.com/2460095 REPORT
https://bugzilla.redhat.com/2460096 REPORT
https://bugzilla.redhat.com/2460097 REPORT
https://bugzilla.redhat.com/2460099 REPORT
https://bugzilla.redhat.com/2460101 REPORT
https://bugzilla.redhat.com/2460102 REPORT
https://bugzilla.redhat.com/2460103 REPORT
https://bugzilla.redhat.com/2460104 REPORT
https://bugzilla.redhat.com/2460105 REPORT
https://bugzilla.redhat.com/2460106 REPORT
https://bugzilla.redhat.com/2460107 REPORT
https://bugzilla.redhat.com/2460108 REPORT
https://bugzilla.redhat.com/2460109 REPORT
https://bugzilla.redhat.com/2460110 REPORT
https://bugzilla.redhat.com/2460112 REPORT
https://errata.almalinux.org/10/ALSA-2026-10767.html ADVISORY
To clipboard 

{
  "affected": [
    {
      "package": {
        "ecosystem": "AlmaLinux:10",
        "name": "firefox"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "140.10.0-1.el10_1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "details": "Mozilla Firefox is an open-source web browser, designed for standards compliance, performance, and portability.  \n\nSecurity Fix(es):  \n\n  * firefox: thunderbird: Incorrect boundary conditions in the Libraries component in NSS (CVE-2026-6772)\n  * firefox: thunderbird: Use-after-free in the JavaScript Engine component (CVE-2026-6754)\n  * firefox: thunderbird: Spoofing issue in the DOM: Core \u0026 HTML component (CVE-2026-6762)\n  * firefox: thunderbird: Incorrect boundary conditions in the WebRTC component (CVE-2026-6752)\n  * firefox: thunderbird: Other issue in the Storage: IndexedDB component (CVE-2026-6770)\n  * firefox: thunderbird: Invalid pointer in the JavaScript: WebAssembly component (CVE-2026-6757)\n  * firefox: thunderbird: Other issue in the Libraries component in NSS (CVE-2026-6767)\n  * firefox: thunderbird: Memory safety bugs fixed in Firefox ESR 140.10, Thunderbird ESR 140.10, Firefox 150 and Thunderbird 150 (CVE-2026-6786)\n  * firefox: thunderbird: Incorrect boundary conditions in the WebRTC component (CVE-2026-6753)\n  * firefox: thunderbird: Use-after-free in the Widget: Cocoa component (CVE-2026-6759)\n  * firefox: thunderbird: Use-after-free in the WebRTC component (CVE-2026-6747)\n  * firefox: thunderbird: Information disclosure due to uninitialized memory in the Graphics: Canvas2D component (CVE-2026-6749)\n  * firefox: thunderbird: Incorrect boundary conditions in the Libraries component in NSS (CVE-2026-6766)\n  * firefox: thunderbird: Privilege escalation in the Networking component (CVE-2026-6761)\n  * firefox: thunderbird: Mitigation bypass in the File Handling component (CVE-2026-6763)\n  * firefox: thunderbird: Privilege escalation in the Graphics: WebRender component (CVE-2026-6750)\n  * firefox: thunderbird: Uninitialized memory in the Audio/Video: Web Codecs component (CVE-2026-6748)\n  * firefox: thunderbird: Memory safety bugs fixed in Firefox ESR 115.35, Firefox ESR 140.10, Thunderbird ESR 140.10, Firefox 150 and Thunderbird 150 (CVE-2026-6785)\n  * firefox: thunderbird: Mitigation bypass in the DOM: Security component (CVE-2026-6771)\n  * firefox: thunderbird: Incorrect boundary conditions in the DOM: Device Interfaces component (CVE-2026-6764)\n  * firefox: thunderbird: Information disclosure in the Form Autofill component (CVE-2026-6765)\n  * firefox: thunderbird: Privilege escalation in the Debugger component (CVE-2026-6769)\n  * firefox: thunderbird: Uninitialized memory in the Audio/Video: Web Codecs component (CVE-2026-6751)\n  * firefox: thunderbird: Incorrect boundary conditions in the WebRTC: Networking component (CVE-2026-6776)\n  * firefox: thunderbird: Use-after-free in the DOM: Core \u0026 HTML component (CVE-2026-6746)\n\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.\n",
  "id": "ALSA-2026:10767",
  "modified": "2026-04-29T08:55:20Z",
  "published": "2026-04-27T00:00:00Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://access.redhat.com/errata/RHSA-2026:10767"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2026-6746"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2026-6747"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2026-6748"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2026-6749"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2026-6750"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2026-6751"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2026-6752"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2026-6753"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2026-6754"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2026-6757"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2026-6759"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2026-6761"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2026-6762"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2026-6763"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2026-6764"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2026-6765"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2026-6766"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2026-6767"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2026-6769"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2026-6770"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2026-6771"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2026-6772"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2026-6776"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2026-6785"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2026-6786"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/2460074"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/2460075"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/2460076"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/2460078"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/2460079"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/2460085"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/2460086"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/2460088"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/2460092"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/2460094"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/2460095"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/2460096"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/2460097"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/2460099"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/2460101"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/2460102"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/2460103"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/2460104"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/2460105"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/2460106"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/2460107"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/2460108"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/2460109"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/2460110"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/2460112"
    },
    {
      "type": "ADVISORY",
      "url": "https://errata.almalinux.org/10/ALSA-2026-10767.html"
    }
  ],
  "related": [
    "CVE-2026-6772",
    "CVE-2026-6754",
    "CVE-2026-6762",
    "CVE-2026-6752",
    "CVE-2026-6770",
    "CVE-2026-6757",
    "CVE-2026-6767",
    "CVE-2026-6786",
    "CVE-2026-6753",
    "CVE-2026-6759",
    "CVE-2026-6747",
    "CVE-2026-6749",
    "CVE-2026-6766",
    "CVE-2026-6761",
    "CVE-2026-6763",
    "CVE-2026-6750",
    "CVE-2026-6748",
    "CVE-2026-6785",
    "CVE-2026-6771",
    "CVE-2026-6764",
    "CVE-2026-6765",
    "CVE-2026-6769",
    "CVE-2026-6751",
    "CVE-2026-6776",
    "CVE-2026-6746"
  ],
  "summary": "Important: firefox security update"
}


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Tags
Taxonomy of the tags.




Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.